ADS5281 鏅�(sh铆)闁擄細2025/5/6 16:28:23 闁辫畝锛�31

ADS5281 鏄竴娆剧敱寰峰窞鍎€鍣� (TI) 鎺ㄥ嚭鐨勪綆鍔熻€�銆侀珮鎬ц兘鐨� 14 浣嶆ā鏁�(sh霉)杞�(zhu菐n)鎻涘櫒 (ADC)锛岄噰鐢� CMOS 宸ヨ棟鍒堕€狅紝鏀寔闆欓€氶亾杓稿叆锛岄噰妯ｉ€熺巼楂橀仈(d谩) 250 MSPS銆傝┎鍣ㄤ欢鍏�(n猫i)缃墖涓婂弮鑰冪珐娌栧櫒鍜屾檪(sh铆)閻樿几鍏ュ垎闋诲櫒锛岃兘澶犻’钁楅檷浣庣郴绲�(t菕ng)瑷�(sh猫)瑷�(j矛)寰�(f霉)闆滄€с€�
銆€銆€ADS5281 闈炲父閬╁悎鐢ㄤ簬楂樺嫊(d貌ng)鎱�(t脿i)鑼冨湇淇¤櫉(h脿o)閲囬泦鎳�(y墨ng)鐢�锛屼緥濡傞€氫俊鍩虹(ch菙)瑷�(sh猫)鏂斤紙濡傚熀绔欐帴鏀跺櫒锛夈€侀啱(y墨)鐧傛垚鍍忚ō(sh猫)鍌�銆佸伐妤�(y猫)鑷嫊(d貌ng)鍖栨帶鍒朵互鍙婃脯(c猫)瑭﹁垏娓�(c猫)閲忛牁(l菒ng)鍩�銆�

鍙冩暩(sh霉)

鍒嗚鲸鐜囷細14 浣�
銆€銆€鏈€澶ч噰妯ｇ巼锛�250 MSPS
銆€銆€妯℃摤杓稿叆甯跺锛�375 MHz
銆€銆€淇″櫔姣� (SNR)锛�72.5 dBFS (鍏稿瀷鍊�)
銆€銆€鐒￠洔鏁ｅ嫊(d貌ng)鎱�(t脿i)鑼冨湇 (SFDR)锛�92 dBc (鍏稿瀷鍊�)
銆€銆€闆绘簮闆诲锛�1.9 V 鏍稿績锛�3.3 V I/O
銆€銆€灏佽褰㈠紡锛歍QFP-64 (9 mm 脳 9 mm)
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C

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ADS5281 鐨勪富瑕佺壒鎬у寘鎷細
銆€銆€1. 闆欓€氶亾鍚屾檪(sh铆)閲囨ǎ鍔熻兘锛岄仼鐢ㄤ簬澶氳矾淇¤櫉(h脿o)铏曠悊鍫�(ch菐ng)鏅�銆�
銆€銆€2. 鍏�(n猫i)缃弮鑰冪珐娌栧櫒鍜屾檪(sh铆)閻樺垎闋诲櫒锛岀啊(ji菐n)鍖栦簡澶栭儴闆昏矾瑷�(sh猫)瑷�(j矛)闇€姹�銆�
銆€銆€3. 鏀寔闈堟椿鐨勬暩(sh霉)瀛楁帴鍙ｉ伕闋�(xi脿ng)锛屽寘鎷� CMOS 鍜� LVDS 杓稿嚭妯″紡銆�
銆€銆€4. 鍏峰倷鍗撹秺鐨勫嫊(d貌ng)鎱�(t脿i)鎬ц兘锛屽湪楂橀牷姊濅欢涓嬩粛鑳戒繚鎸佽壇濂界殑绶氭€у害鍜屼綆澶辩湡銆�
銆€銆€5. 鎻愪緵澶氱ó鍔熻€楃鐞嗘ā寮�锛屼究浜庡劒(y艒u)鍖栫郴绲�(t菕ng)鑳借€楄〃鐝�(xi脿n)銆�
銆€銆€6. 灏忓昂瀵稿皝瑁濅娇鍏堕潪甯搁仼鍚堢┖闁撳彈闄愮殑鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鍚�銆�

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ADS5281 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆€銆€1. 閫氫俊鍩虹(ch菙)瑷�(sh猫)鏂戒腑鐨勫皠闋绘帴鏀舵(j墨)鍓嶇鏁�(sh霉)鎿�(j霉)閲囬泦銆�
銆€銆€2. 閱�(y墨)鐧傚奖鍍忚ō(sh猫)鍌欎腑灏�(du矛)瓒呰伈娉㈡垨鍏朵粬鍌虫劅鍣ㄤ俊铏�(h脿o)閫�(j矛n)琛屾暩(sh霉)瀛楀寲铏曠悊銆�
銆€銆€3. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栨帶鍒剁郴绲�(t菕ng)涓閫氶亾鏁�(sh霉)鎿�(j霉)閲囬泦妯″鐨勮ō(sh猫)瑷�(j矛)銆�
銆€銆€4. 娓�(c猫)瑭﹁垏娓�(c猫)閲�?j墨)x鍣紙濡傜ず娉㈠櫒鎴栭牷璀滃垎鏋愬剙锛変腑鐨勯珮閫熶俊铏�(h脿o)閲囬泦閮ㄥ垎銆�
銆€銆€5. 鍏朵粬闇€瑕侀珮绮惧害銆佸揩閫熼熆鎳�(y墨ng) ADC 鐨勯浕瀛愮郴绲�(t菕ng)銆�